.box {
  width: 20px;
  height: 36rem;
  background-color: red;
}
.box div {
  background-color: blue;
}
.box div p {
  background-color: orange;
}
.box div p a {
  color: gold;
}
.box div p a:hover {
  color: red;
}
.box div p a::after {
  content: '';
}
